CN212749295U

CN212749295U - Localized microlens film and label anti-counterfeiting film thereof

Info

Publication number: CN212749295U
Application number: CN202021848859.5U
Authority: CN
Inventors: 周永南; 冯煜; 袁顺年
Original assignee: Great Rich Technology Co Ltd
Current assignee: Great Rich Technology Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-19
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a localized micro-lens film and a label anti-counterfeiting film thereof, wherein the localized micro-lens film comprises a micro-lens layer, a transparent substrate layer and a micro-image-text layer from top to bottom in sequence; the micro-lens layer and the micro-image-text layer are respectively positioned on two sides of the transparent substrate layer; the micro-lens layer is formed by adopting local coating, and the periphery of the micro-lens layer is not coated to form a micro-lens blank area. And the label anti-counterfeiting film adopts a localized micro-lens film as a label printing substrate film, and label printing is carried out on one side of the micro-lens layer of the localized micro-lens film to form a label image-text layer. The utility model relates to a localized micro-lens film, which is specially designed and manufactured for the label anti-counterfeiting film, greatly reduces the resin waste and reduces the cost; the cost of the corresponding label anti-counterfeiting film is greatly reduced.

Description

Localized microlens film and label anti-counterfeiting film thereof

Technical Field

The utility model relates to a localized micro-lens membrane that adopts the coating of localized manufacturing, and the label anti-counterfeiting membrane of making from this.

Background

The micro-lens anti-counterfeiting film adopts the micro-lens array layer corresponding to the micro-pattern layer, so that the micro-lens anti-counterfeiting film keeps horizontal parallax and vertical parallax, and ensures that the observation angle is large enough, so that an observer can observe a three-dimensional pattern without special observation skills in any illumination environment; a clear three-dimensional image is displayed, and the micro lens and the micro pattern must be strictly matched and closely fit, so that the manufacturing difficulty of the anti-counterfeiting product is increased; meanwhile, the fine pattern can not be obtained by the traditional copying and duplicating method, so the technology has good anti-counterfeiting effect.

Wherein, the U.S. adopted the microlens anti-fake technique in 2010 on the safety line of its new edition 100 dollar paper money, adopted the microlens technique, made anti-fake label information "100" and "free clock" can alternate each other, had dynamic effect, had promoted anti-fake effect greatly.

With the expansion of the application field of the micro-lens anti-counterfeiting film, more and more micro-lens anti-counterfeiting films are applied to the field of labels, but when the labels are actually manufactured, the micro-lens anti-counterfeiting film is used as a base material, and partial areas of the film need to be coated and label contents need to be printed, and the label contents are shielded during printing; if the full-page microlens anti-counterfeiting film is produced in a conventional mode, a large number of microlens image-text structures are shielded along with the printing of label contents, the due display effect cannot be generated, and the waste of a large number of microlens manufacturing resin and microlens image-text manufacturing resin is caused.

In order to save the expensive resin for manufacturing the microlens anti-counterfeiting film and thus reduce the manufacturing cost of the label film, it is necessary to improve the manufacturing method of the microlens anti-counterfeiting film for the label film so as to be more advantageous for manufacturing the label film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a localized microlens membrane and label anti-counterfeiting membrane thereof to in the hope of to make the label membrane, produce the localized microlens membrane specially, satisfy label membrane preparation demand, and the resin that has significantly reduced in the production process is extravagant, has reduced manufacturing cost.

In order to achieve the above object, the present invention provides a localized microlens film, which is characterized by comprising a microlens layer, a transparent substrate layer, and a microlens pattern layer from top to bottom; the micro-lens layer and the micro-image-text layer are respectively positioned on two sides of the transparent substrate layer;

the micro-lens layer is formed by adopting local coating, and the periphery of the micro-lens layer is not coated to form a micro-lens blank area.

As a further improvement of the utility model, the micro-image-text layer is coated in a localized manner, and is not coated on the periphery, so that a micro-image-text blank area is formed;

the micro-image-text array of the micro-image-text layer corresponds to the local coating micro-lens array of the micro-lens layer.

Furthermore, the area of the micro graphic and text array is larger than that of the micro lens array in the range of a localized area.

As a further improvement of the present invention, the surface of the microlens is provided with an encapsulation layer.

The second aspect of the utility model provides a label anti-counterfeiting membrane, its characterized in that, its localized microlens membrane that adopts above-mentioned formation carries out the label printing as label printing substrate membrane in the microlens layer one side of localized microlens membrane, forms label picture and text layer.

Furthermore, a micro-lens transmission area is arranged in the label image-text layer, and a continuous micro-lens layer with one area is arranged in the micro-lens transmission area.

The utility model changes the prior continuous coating process of the micro-lens array, adopts the heightening die to combine with the UV resin to carry out localized coating, and forms a localized micro-lens array structure after curing; and matching with the micro-image-text array printing, enabling the micro-image-text printing area to correspond to the localized micro-lens array area, reducing the using amount of micro-image-text printing resin or paint, and then packaging the micro-lens to form the localized micro-lens film. On the basis of the localized microlens film, label pictures and texts are printed, and then the label anti-counterfeiting film can be formed.

The utility model relates to a localized micro-lens film, which is specially designed and manufactured for the label anti-counterfeiting film, greatly reduces the resin waste and reduces the cost; the cost of the corresponding label anti-counterfeiting film is greatly reduced; and because the micro-lens curing area is small, the corresponding curing speed is higher, the production speed is also higher, the production efficiency is higher, and because the area of the micro-lens area is small and discontinuous, the yield of the cured finished product is also higher.

Drawings

FIG. 1 is a schematic diagram of the original label anti-counterfeiting film in use;

FIG. 2 is a schematic view of the anti-counterfeit film of the present invention;

fig. 3 is an enlarged schematic view of the structure of the label anti-counterfeiting film of the present invention;

reference numerals: a full-page lens label anti-counterfeiting film 1; a localized lens label anti-counterfeiting film 2;

the micro image-text layer 21, the substrate layer 22, the micro lens layer 23 and the packaging layer 24; a label image-text layer 25;

a clear area 26 for micro-pattern, a clear area 27 for micro-lens, and a clear area 28 for micro-lens.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, when the label anti-counterfeiting film is used, human eyes can see the 3D dynamic anti-counterfeiting image and text on the label image and text layer 25 through the microlens transmission area 28; with present full version lens label anti-counterfeiting membrane 1's difference lie in, as shown in fig. 3, the utility model discloses the regional lens label anti-counterfeiting membrane 2 that forms when making anti-counterfeiting lens membrane, when making little picture and text layer 21, microlens layer 23, adopts the regional coating, reduces the resin use amount, forms little picture and text blank 26, and microlens blank 27, little picture and text blank 26 reaches microlens blank 27 is located the below of label picture and text layer 25, quilt label picture and text layer 25 shields, and the observer can only look at in the top label picture and text layer 25, and can't look at and be located its below the blank 26 of little picture and text reaches microlens blank 27.

The utility model discloses a localization lens label anti-counterfeiting membrane 2, the focus lies in adopting the localization coating mode, makes the anti-counterfeiting membrane of microlens, and it is supreme respectively for little picture and text layer 21, substrate layer 22, microlens layer 23, encapsulated layer 24 down.

The utility model discloses a method of local coating preparation local microlens membrane does:

step 1, coating a micro-lens array structure on one surface of a PET transparent substrate layer 22 by using a UV forming process; during coating, a special heightening die is adopted, the infiltration amount of the UV resin and the heightening die is accurately controlled, so that only the heightening part is infiltrated by the resin, and then coating is carried out to form a micro-lens layer 23 with micro-lenses at part;

step 2, performing localized coating on the other surface of the PET transparent substrate layer 22 to form a micro-image-text array structure and form a micro-image-text layer 21; the area of the micro image-text array area is larger than that of the corresponding micro lens array area so as to meet the positioning/aligning requirement;

the film at this time is a microlens film which can be seen naked;

and step 3: packaging the film generated in the step (2), and packaging the spherical lens surface of the micro-lens layer 23 to form a packaging layer 24; namely the localized micro-lens film;

further, on the basis of step 3, carry out label printing, form label picture and text layer 25, promptly the utility model discloses a localization lens label anti-counterfeiting membrane 2.

In the label printing, printing may be performed on the surface of the bare microlens film formed in step 2, and the label image-text layer 25 is printed at the position of the blank area 27 of the microlens.

The direct display product formed based on the step 2 is directly printed with a label, and the thickness of the direct display product is thin, but the surface of the direct display product is not packaged, so that water drops exist on the surface, and the observation of the anti-counterfeiting effect is influenced.

And step 3, the direct display product obtained in step 2 is packaged, the whole thickness is increased, but the surface of the micro-lens film is flat, the anti-pollution effect is better, and water drops are dripped on the surface, so that the observation of the anti-counterfeiting effect is not influenced basically.

The micro-lens array in the step 1 adopts localized coating, which can be regarded as the application of a stamping method in the micro-lens array coating process in daily life, the part needing to be coated is subjected to padding treatment, the padding area is realized by processes such as carving/photoetching, and the height of the padding part is 3-20 micrometers; the height depends on the selected resin viscosity; the resin with high viscosity and poor fluidity can be lower than the corresponding height of the raised part; the viscosity is low, the fluidity is good, and the height of the raised part is higher; and then the localized coating can be realized by controlling the resin infiltration amount.

Meanwhile, the edge of the area to be coated is further heightened and is about 1-20 microns higher than the coating area so as to prevent the resin from overflowing, and the specific height depends on the viscosity of the resin; when the die contacts the UV resin, only the raised part is soaked by the UV resin, so that the UV resin exists only in the raised part area during coating, and the coating is cured to form a localized coating.

The localized micro-lens film generated by adopting the steps is specially designed and manufactured aiming at the label anti-counterfeiting film, so that the resin waste is greatly reduced, and the cost is reduced; and because the micro-lens curing area is small, the corresponding curing speed is higher, the production speed is also higher, the production efficiency is higher, and because the area of the micro-lens area is small and discontinuous, the yield of the cured finished product is also higher.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The localized micro-lens film is characterized by sequentially comprising a micro-lens layer, a transparent substrate layer and a micro-image-text layer from top to bottom; the micro-lens layer and the micro-image-text layer are respectively positioned on two sides of the transparent substrate layer;

2. The localized microlens film of claim 1 wherein the microimage layer is coated in localized areas, uncoated around the microimage layer, forming clear areas of microimages;

3. The localized microlens film of claim 2 wherein the area of said microlens array is greater than the area of said microlens array over a localized area.

4. The localized microlens film of claim 3 wherein the spherical lens surface of the microlens layer is provided with an encapsulation layer.

5. The label anti-counterfeiting film is characterized in that the localized microlens film according to any one of claims 1 to 4 is used as a label printing substrate film, and label printing is performed on one side of the microlens layer of the localized microlens film to form a label image-text layer.

6. The label security film of claim 5 wherein said label graphic layer has a microlens transmissive area with a continuous area of said layer.